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| 2006 年 4 月 9 日 星期日 |
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| math |
p.106
4a.
[2x7x2]+[15x7x2]+[2x15x2]
=28+210+6
=298[cm2]
2x7x15
=210[cm3]
___________________________________________________
4b.
[12x5÷2x2]+[26x12]+[13x26]+[5x26]
=60+312+338+130
=840[cm2]
[5x12÷2]x26
=30x26
=780[cm3]
___________________________________________________
p.107
8a.
[18x12x2]+[23x12x2]+[18x23x2]
=432+552+828
=1812[cm3]
8b.
23x18x12
=4968[cm3]
______________________________________________________________________________
p.111
2a.
7.5x10
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| 刊登時間︰2006-04-09 09:05 PM [ 訪客留言(0) ] [ 編輯日誌 ] [ 分享至FACEBOOK ] |
| 2006 年 4 月 2 日 星期日 |
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| |
| math |
MATH工作紙:
P.9
[1C]8X6X12
=576 m3
[1E]
[6X9÷2X10]＋[9×10×15]
=270+1350
=1620 m3
[1f]
[4×1.5×4]+[1.5×1×4]
=24+6
=30 m3
_________________________________________________________________________
p.10
[2]
[[1.5+5.5]×50÷2]×20
=175×20
=3580 m3
___________________________________________________________________________
p11
[1b]
[5×12÷2]×2+23×13+26×12+5×26
=60+338+312+130
=840 cm2
[1c]
[10+22]×8÷2×2+24×10×2+22×24+10×24
=256+480+528+240
=1504 cm2
[2a]
18×12×2+23×12×2+23×18
=432+552+414
=1398 cm2
[2b]
23×12×18
=4968 cm3
__________________________________________________________________________________________
不合格
[4a]
25﹪+4×20﹪-5﹪
=25﹪+80﹪-5﹪
=1
[4b]
25×[1+30﹪]
=25×130﹪
=32.5
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| 刊登時間︰2006-04-02 08:23 PM [ 訪客留言(0) ] [ 編輯日誌 ] [ 分享至FACEBOOK ] |
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